/* NOTEBOOK_WORKSPACE_UX_V1 — registry, durable state, mobile panels, a11y, theme. */
:root {
  --nb-accent: var(--accent, #B55A30);
  --nb-accent-hover: var(--accent-hover, #9F4E29);
  --nb-blue: #2C4A6F;
  --nb-success: #2E6B3F;
  --nb-danger: #9A2828;
  --nb-radius: 14px;
  --nb-shadow: 0 18px 60px rgba(31, 24, 18, .14);
}

body {
  background: var(--paper, #FAFAF7);
  color: var(--ink, #1F1812);
}

body.dark {
  --nb-blue: #AFC9EA;
  --nb-success: #99D3A7;
  --nb-danger: #FFAAA2;
  --nb-shadow: 0 18px 60px rgba(0, 0, 0, .42);
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

button, input, textarea { font: inherit; }
button:focus-visible, input:focus-visible, textarea:focus-visible, a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--nb-accent) 34%, transparent);
  outline-offset: 2px;
}

.nb-topbar-tools { margin-left: auto; gap: 6px; }
.nb-lang-btn { width: auto; min-width: 38px; padding: 0 9px; font-size: 11px; font-weight: 650; letter-spacing: .06em; }
.nb-theme-btn { font-size: 17px; }

.nb-shell { max-width: 1280px; padding-top: 26px; }
.nb-workspace-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin: 0 0 18px;
}
.nb-title-group { min-width: 0; }
.nb-title-picker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  max-width: 100%;
  padding: 2px 6px 2px 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  border-radius: 8px;
}
.nb-title-picker:hover { color: var(--nb-accent); }
.nb-title-picker h1 {
  max-width: min(720px, 70vw);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin: 0;
  font-family: "Fraunces", serif;
  font-weight: 400;
  font-size: clamp(27px, 3vw, 34px);
  line-height: 1.12;
  letter-spacing: -.02em;
}
.nb-title-picker > span { font-size: 18px; opacity: .55; }
.nb-sub { display: block; margin: 7px 0 0; color: var(--muted, #6E675F); font-size: 13.5px; }
.nb-workspace-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.nb-action-btn, .nb-icon-btn, .nb-clear-btn, .nb-studio-tool {
  min-height: 38px;
  border: 1px solid var(--line, #D9D5CB);
  border-radius: 9px;
  background: var(--card, #FFFCF5);
  color: var(--ink, #1F1812);
  cursor: pointer;
  padding: 7px 12px;
  font-size: 12.5px;
  font-weight: 550;
}
.nb-action-btn:hover, .nb-icon-btn:hover, .nb-clear-btn:hover, .nb-studio-tool:hover { border-color: var(--nb-accent); color: var(--nb-accent); }
.nb-action-primary { background: var(--ink, #1F1812); color: var(--paper, #FAFAF7); border-color: var(--ink, #1F1812); }
.nb-action-primary:hover { background: var(--nb-accent); border-color: var(--nb-accent); color: #fff; }
.nb-danger-btn { background: var(--nb-danger); border-color: var(--nb-danger); color: #fff; }
.nb-danger-btn:hover { filter: brightness(.93); color: #fff; }
.nb-icon-btn { width: 42px; padding: 0; font-size: 24px; line-height: 1; }

.nb-alert {
  display: none;
  margin: -4px 0 14px;
  padding: 10px 13px;
  border-radius: 9px;
  font-size: 13px;
  line-height: 1.45;
}
.nb-alert.active { display: block; }
.nb-alert.info { background: color-mix(in srgb, var(--nb-blue) 10%, transparent); color: var(--nb-blue); }
.nb-alert.success { background: color-mix(in srgb, var(--nb-success) 12%, transparent); color: var(--nb-success); }
.nb-alert.error { background: color-mix(in srgb, var(--nb-danger) 11%, transparent); color: var(--nb-danger); }

.nb-mobile-tabs { display: none; }
.nb-grid { gap: 18px; }
.nb-sources-card, .nb-chat-card {
  background: var(--card, #FFFCF5);
  border-color: var(--line, #D9D5CB);
  color: var(--ink, #1F1812);
}
.nb-sources-card { min-height: 0; }
.nb-sources-head h2, .nb-chat-head h2 { color: var(--ink); opacity: .78; }
.nb-sources-count, .nb-chat-sub { color: var(--muted, #6E675F); opacity: 1; }
.nb-chat-head { align-items: center; justify-content: space-between; min-height: 54px; }
.nb-chat-head > div { display: flex; align-items: baseline; gap: 12px; min-width: 0; }
.nb-clear-btn { min-height: 32px; padding: 5px 9px; background: transparent; color: var(--muted); }

.nb-dropzone {
  display: flex;
  width: 100%;
  flex-direction: column;
  align-items: center;
  color: var(--ink);
  border-color: var(--line-2, #C8C2B7);
  background: color-mix(in srgb, var(--nb-accent) 3%, var(--card));
}
.nb-dropzone:hover, .nb-dropzone.dragover { border-color: var(--nb-accent); background: color-mix(in srgb, var(--nb-accent) 8%, var(--card)); }
.nb-dropzone-icon { color: var(--nb-accent); }
.nb-dropzone-meta { color: var(--muted); opacity: 1; }

.nb-url-row { display: flex; gap: 7px; margin: 0 0 14px; }
.nb-url-row[hidden] { display: none; }
.nb-url-row input {
  flex: 1;
  min-width: 0;
  min-height: 40px;
  padding: 8px 10px;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 9px;
}
.nb-url-row button { min-height: 40px; padding: 8px 13px; border: 0; border-radius: 9px; background: var(--nb-blue); color: var(--paper); cursor: pointer; font-weight: 600; }
.nb-url-row button:disabled { opacity: .48; cursor: wait; }

.nb-file { position: relative; color: var(--ink); background: var(--paper-2, rgba(31,24,18,.025)); border-color: var(--line); padding: 10px; }
.nb-file-icon { width: 28px; height: 28px; display: grid; place-items: center; color: var(--nb-blue); background: color-mix(in srgb, var(--nb-blue) 9%, transparent); border-radius: 7px; flex-shrink: 0; }
.nb-file-meta { color: var(--muted); opacity: 1; }
.nb-file-status { flex-shrink: 0; font-size: 11px; }
.nb-file-status.pending, .nb-file-status.running, .nb-file-status.uploading { color: var(--nb-accent); background: color-mix(in srgb, var(--nb-accent) 14%, transparent); }
.nb-file-status.done { color: var(--nb-success); background: color-mix(in srgb, var(--nb-success) 14%, transparent); }
.nb-file-status.failed { color: var(--nb-danger); background: color-mix(in srgb, var(--nb-danger) 12%, transparent); }
.nb-file-actions { display: flex; align-items: center; gap: 3px; }
.nb-file-remove, .nb-file-retry { min-width: 36px; min-height: 36px; border: 0; border-radius: 7px; background: transparent; color: var(--muted); cursor: pointer; opacity: .8; }
.nb-file-remove:hover { color: var(--nb-danger); background: color-mix(in srgb, var(--nb-danger) 8%, transparent); }
.nb-file-retry:hover { color: var(--nb-blue); background: color-mix(in srgb, var(--nb-blue) 8%, transparent); }
.nb-progress { height: 3px; margin-top: 7px; overflow: hidden; border-radius: 99px; background: var(--line); }
.nb-progress::after { content: ""; display: block; width: 42%; height: 100%; border-radius: inherit; background: var(--nb-accent); animation: nbProgress 1.25s ease-in-out infinite alternate; }
@keyframes nbProgress { to { transform: translateX(138%); } }

.nb-chat-card { height: calc(100vh - 210px); min-height: 560px; }
.nb-studio-bar { padding: 9px 14px; margin: 0; background: color-mix(in srgb, var(--nb-blue) 3%, var(--card)); border-color: var(--line); }
.nb-studio-btn { min-height: 34px; color: var(--nb-blue); background: var(--card); border-color: color-mix(in srgb, var(--nb-blue) 25%, transparent); }
.nb-studio-btn:hover { background: color-mix(in srgb, var(--nb-blue) 8%, var(--card)); }

.nb-messages { color: var(--ink); }
.nb-empty { opacity: 1; color: var(--ink); padding: 72px 24px; }
.nb-empty > div:first-child { color: var(--muted); opacity: .7 !important; }
.nb-empty h3 { margin: 0 0 10px; font: 400 23px/1.2 "Fraunces", serif; color: var(--ink); }
.nb-empty p { max-width: 470px; margin: 0 auto 20px; color: var(--muted); font-family: "Inter Tight", sans-serif; font-size: 14px; line-height: 1.55; }
.nb-suggestions { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; max-width: 620px; margin: 4px auto 0; }
.nb-suggestions[hidden] { display: none; }
.nb-suggestion {
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
  font-size: 13px;
}
.nb-suggestion:hover { border-color: var(--nb-accent); color: var(--nb-accent); }

.nb-msg { max-width: 860px; }
.nb-msg-role { opacity: 1; color: var(--muted); }
.nb-msg.user .nb-msg-role { color: var(--nb-accent); }
.nb-msg.assistant .nb-msg-role { color: var(--nb-success); }
.nb-msg.partial { border-left: 2px solid var(--nb-accent); padding-left: 10px; }
.nb-msg-status { margin-top: 8px; color: var(--muted); font-size: 11.5px; font-style: italic; }
.nb-msg-body { overflow-wrap: anywhere; }
.nb-msg-body strong { color: var(--ink); }
.nb-msg-body h1, .nb-msg-body h2, .nb-msg-body h3, .nb-msg-body h4 { margin: 20px 0 8px; color: var(--ink); font-family: "Fraunces", serif; font-weight: 450; line-height: 1.25; }
.nb-msg-body h1 { font-size: 23px; }
.nb-msg-body h2 { font-size: 20px; }
.nb-msg-body h3 { font-size: 17px; }
.nb-msg-body ol, .nb-msg-body ul { margin: 7px 0 13px; padding-left: 24px; }
.nb-msg-body li { margin: 4px 0; }
.nb-msg-body blockquote { margin: 12px 0; padding: 7px 13px; border-left: 3px solid var(--nb-accent); color: var(--muted); background: color-mix(in srgb, var(--nb-accent) 5%, transparent); }
.nb-msg-body pre { overflow-x: auto; padding: 12px; border-radius: 8px; background: var(--paper-2); border: 1px solid var(--line); font: 12.5px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.nb-msg-body code { color: var(--ink); background: var(--paper-2); }
.nb-table-wrap { width: 100%; max-width: 100%; overflow-x: auto; overscroll-behavior-inline: contain; }
.nb-msg-body table { width: 100%; margin: 12px 0 16px; border-collapse: collapse; font-size: 13px; }
.nb-msg-body th, .nb-msg-body td { padding: 8px 10px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.nb-msg-body th { background: var(--paper-2); font-weight: 650; }
.nb-msg-body hr { border: 0; border-top: 1px solid var(--line); margin: 18px 0; }

.nb-cite { min-width: 30px; min-height: 28px; border: 0; background: color-mix(in srgb, var(--nb-blue) 13%, transparent); color: var(--nb-blue); }
.nb-cite:hover { background: color-mix(in srgb, var(--nb-blue) 22%, transparent); }
.nb-cite-preview { color: var(--ink); background: color-mix(in srgb, var(--nb-blue) 7%, var(--card)); border-left-color: var(--nb-blue); }
.nb-cite-preview-head, .nb-cite-preview-close, .nb-cite-openpage, .nb-cite-src a { color: var(--nb-blue); }
.nb-cite-preview-body { opacity: 1; color: var(--ink); }
.nb-sources-bar { color: var(--muted); opacity: 1; background: var(--paper-2); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.nb-figure-thumb { border: 0; padding: 0; min-height: 90px; color: #fff; }
.nb-input-row { background: var(--card); border-color: var(--line); }
.nb-input { color: var(--ink); background: var(--card); border-color: var(--line); }
.nb-input:focus { border-color: var(--nb-accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--nb-accent) 16%, transparent); }
.nb-input:disabled { color: var(--muted); background: var(--paper-2); }
.nb-send-btn { min-width: 78px; min-height: 42px; background: var(--nb-accent); }
.nb-send-btn:hover { background: var(--nb-accent-hover); }
.nb-send-btn:disabled { color: var(--muted); background: var(--paper-3, #EAE6DD); }

/* Modal system */
.nb-modal, .nb-fig-modal, .nb-studio-modal { backdrop-filter: blur(5px); }
.nb-modal { position: fixed; inset: 0; z-index: 220; display: none; align-items: center; justify-content: center; padding: 20px; background: rgba(20, 17, 14, .5); }
.nb-modal.active { display: flex; }
.nb-modal-panel, .nb-studio-panel { width: min(620px, 96vw); max-height: 88vh; overflow: auto; border: 1px solid var(--line); border-radius: 16px; background: var(--card); color: var(--ink); box-shadow: var(--nb-shadow); }
.nb-modal-head, .nb-studio-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 17px 18px; border-bottom: 1px solid var(--line); }
.nb-modal-head h2, .nb-confirm-panel h2, .nb-studio-head h3 { margin: 0; color: var(--ink); font: 450 22px/1.2 "Fraunces", serif; }
.nb-eyebrow { display: block; margin-bottom: 4px; color: var(--muted); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; }
.nb-manager-actions { display: flex; justify-content: flex-end; padding: 12px 16px 0; }
.nb-notebook-list { display: flex; flex-direction: column; gap: 8px; padding: 14px 16px 18px; }
.nb-notebook-item { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; padding: 12px; border: 1px solid var(--line); border-radius: 11px; background: var(--paper-2); }
.nb-notebook-item.active { border-color: var(--nb-accent); box-shadow: inset 3px 0 var(--nb-accent); }
.nb-notebook-open { border: 0; padding: 0; background: transparent; color: var(--ink); text-align: left; cursor: pointer; font-weight: 650; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nb-notebook-open:hover { color: var(--nb-accent); }
.nb-notebook-meta { color: var(--muted); font-size: 11.5px; }
.nb-notebook-edit { grid-column: 2; grid-row: 1 / span 2; align-self: center; min-height: 36px; border: 0; border-radius: 8px; background: transparent; color: var(--muted); cursor: pointer; }
.nb-notebook-edit:hover { color: var(--nb-accent); background: color-mix(in srgb, var(--nb-accent) 7%, transparent); }
.nb-title-panel, .nb-confirm-panel { padding-bottom: 18px; }
.nb-title-panel > label, .nb-title-panel > input { display: block; margin-left: 18px; margin-right: 18px; }
.nb-title-panel > label { margin-top: 16px; margin-bottom: 6px; font-size: 12px; font-weight: 650; }
.nb-title-panel > input { width: calc(100% - 36px); min-height: 44px; padding: 9px 11px; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 9px; }
.nb-modal-actions { display: flex; justify-content: flex-end; gap: 8px; padding: 18px 18px 0; }
.nb-confirm-panel { width: min(440px, 94vw); padding: 20px; }
.nb-confirm-panel p { color: var(--muted); line-height: 1.5; }
.nb-confirm-panel .nb-modal-actions { padding-left: 0; padding-right: 0; }

.nb-fig-modal { background: rgba(0,0,0,.82); }
.nb-fig-modal-close { min-height: 42px; }
.nb-studio-panel { background: var(--card); }
.nb-studio-panel.nb-mindmap-panel { width: min(1180px, 96vw); }
.nb-studio-head { flex-wrap: wrap; }
.nb-studio-actions { flex-wrap: wrap; justify-content: flex-end; }
.nb-studio-tool, .nb-studio-regen { min-height: 34px; padding: 5px 9px; background: var(--card); color: var(--nb-blue); border-color: var(--line); }
.nb-studio-body { color: var(--ink); }
.nb-studio-draft { color: var(--muted); opacity: 1; }
.nb-faq-item, .nb-tl-item { border-color: var(--line); }
.nb-quiz-opt, .nb-saran-chip { color: var(--ink); background: var(--card); border-color: var(--line); }
.nb-studio-err { color: var(--nb-danger); }

/* NOTEBOOK_MINDMAP_V1 — interactive, source-bound SVG artifact. */
.nb-mindmap { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 14px; }
.nb-map-tools { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.nb-map-tools > p { margin: 0; color: var(--muted); font-size: 12px; }
.nb-map-controls { display: inline-flex; overflow: hidden; flex-shrink: 0; border: 1px solid var(--line); border-radius: 8px; background: var(--card); }
.nb-map-controls button { width: 38px; min-height: 34px; border: 0; border-right: 1px solid var(--line); background: transparent; color: var(--ink); cursor: pointer; font-weight: 650; }
.nb-map-controls button:last-child { border-right: 0; }
.nb-map-controls button:hover { background: var(--paper-2); color: var(--nb-accent); }
.nb-map-canvas { min-width: 0; height: min(64vh, 680px); overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: #FAFAF7; }
.nb-map-svg { display: block; width: 100%; height: 100%; cursor: grab; touch-action: none; user-select: none; }
.nb-map-svg.dragging { cursor: grabbing; }
.nb-map-node { cursor: pointer; outline: none; }
.nb-map-node rect { transition: filter .12s ease, stroke-width .12s ease; }
.nb-map-node:hover rect, .nb-map-node:focus-visible rect { filter: brightness(.97); stroke-width: 2.6; }
.nb-map-node.selected rect { stroke-width: 3.5; filter: drop-shadow(0 3px 4px rgba(31, 24, 18, .15)); }
.nb-map-toggle { cursor: pointer; }
.nb-map-detail { min-width: 0; max-height: min(64vh, 680px); overflow-y: auto; padding: 15px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper-2); }
.nb-map-detail h4 { margin: 0 0 8px; color: var(--ink); font: 450 19px/1.25 "Fraunces", serif; }
.nb-map-detail-copy { margin: 0 0 16px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.nb-map-detail-empty { margin: 0; color: var(--muted); font-size: 12px; }
.nb-map-source-head { margin: 4px 0 8px; color: var(--muted); font-size: 10.5px; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; }
.nb-map-source { padding: 10px 0; border-top: 1px solid var(--line); }
.nb-map-source-link { color: var(--nb-blue); font-size: 12px; font-weight: 650; text-decoration: none; }
a.nb-map-source-link:hover { text-decoration: underline; }
.nb-map-source p { margin: 5px 0 0; color: var(--muted); font-size: 11.5px; line-height: 1.45; }
body.dark .nb-map-canvas { background: #171715; }
body.dark .nb-map-node:hover rect, body.dark .nb-map-node:focus-visible rect { filter: brightness(1.12); }
body.dark .nb-map-node.selected rect { filter: brightness(1.08) drop-shadow(0 3px 5px rgba(0, 0, 0, .36)); }

@media (max-width: 880px) {
  .nb-shell { padding: 18px 16px 22px; }
  .nb-workspace-head { align-items: flex-start; margin-bottom: 12px; }
  .nb-title-group { width: 100%; }
  .nb-title-picker h1 { max-width: calc(100vw - 170px); font-size: 28px; }
  .nb-sub { max-width: 320px; }
  .nb-workspace-actions { gap: 5px; }
  .nb-workspace-actions .nb-action-btn { padding: 6px 9px; }
  .nb-workspace-actions #nb-rename-btn { display: none; }
  .nb-mobile-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px; margin: 0 0 10px; border: 1px solid var(--line); border-radius: 11px; background: var(--paper-2); position: sticky; top: 64px; z-index: 15; }
  .nb-mobile-tabs button { min-height: 40px; border: 0; border-radius: 8px; background: transparent; color: var(--muted); cursor: pointer; font-weight: 600; }
  .nb-mobile-tabs button[aria-selected="true"] { background: var(--card); color: var(--ink); box-shadow: 0 1px 4px rgba(0,0,0,.07); }
  .nb-grid { display: block; }
  [data-mobile-panel] { display: none; }
  [data-mobile-panel].nb-panel-active { display: flex; }
  .nb-sources-card.nb-panel-active { display: block; }
  .nb-chat-card { min-height: calc(100dvh - 190px); height: calc(100dvh - 190px); max-height: none; }
  .nb-messages { max-height: none; min-height: 0; }
  .nb-input-row { position: sticky; bottom: 0; }
  .nb-empty { padding: 48px 16px; }
  .nb-empty-arrow-mobile { display: none !important; }
  .nb-chat-head > div { display: block; }
  .nb-chat-sub { display: block; margin-top: 3px; line-height: 1.35; }
}

@media (max-width: 560px) {
  .nb-topbar-tools { gap: 2px; }
  .nb-theme-btn { display: none; }
  .nb-shell { padding-left: 12px; padding-right: 12px; }
  .nb-workspace-head { gap: 8px; }
  .nb-title-picker h1 { max-width: calc(100vw - 148px); font-size: 25px; }
  .nb-sub { font-size: 12.5px; }
  .nb-action-btn { min-height: 36px; }
  .nb-workspace-actions #nb-new-btn { font-size: 0; width: 38px; padding: 0; }
  .nb-workspace-actions #nb-new-btn::before { content: "+"; font-size: 21px; }
  .nb-sources-card { border-radius: 12px; }
  .nb-dropzone { padding: 17px 10px; }
  .nb-file { gap: 7px; }
  .nb-file-actions { gap: 0; }
  .nb-chat-card { border-radius: 12px; }
  .nb-chat-head { padding: 10px 12px; }
  .nb-studio-bar { overflow-x: auto; flex-wrap: nowrap; scrollbar-width: none; }
  .nb-studio-bar::-webkit-scrollbar { display: none; }
  .nb-table-wrap table { min-width: 520px; }
  .nb-studio-label { position: sticky; left: 0; background: var(--card); }
  .nb-messages { padding: 15px 14px; }
  .nb-input-row { padding: 10px; }
  .nb-send-btn { min-width: 68px; padding-left: 10px; padding-right: 10px; }
  .nb-studio-modal { padding: 8px; }
  .nb-studio-panel { width: 100%; max-height: 94vh; }
  .nb-studio-head { padding: 12px; }
  .nb-studio-actions { gap: 5px; }
  .nb-studio-tool { font-size: 11.5px; }
  .nb-mindmap { grid-template-columns: 1fr; }
  .nb-map-tools { align-items: flex-start; }
  .nb-map-canvas { height: 54vh; min-height: 360px; }
  .nb-map-detail { max-height: 210px; }
}

@media print {
  body.nb-print-artifact > *:not(.nb-studio-modal) { display: none !important; }
  body.nb-print-artifact .nb-studio-modal { position: static; display: block; background: #fff; padding: 0; }
  body.nb-print-artifact .nb-studio-panel { width: 100%; max-height: none; overflow: visible; border: 0; box-shadow: none; }
  body.nb-print-artifact .nb-studio-actions, body.nb-print-artifact .nb-studio-draft { display: none !important; }
  body.nb-print-artifact .nb-mindmap { display: block; }
  body.nb-print-artifact .nb-map-tools, body.nb-print-artifact .nb-map-detail { display: none !important; }
  body.nb-print-artifact .nb-map-canvas { height: auto; overflow: visible; border: 0; }
  body.nb-print-artifact .nb-map-svg { width: 100%; height: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}

/* NOTEBOOK_CREATIVE_COLLAB_V1 */
.nb-source-scope{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:7px 9px;margin:-2px 0 10px;border-radius:8px;background:rgba(44,74,111,.055);font-size:11px;color:#2c4a6f}.nb-source-scope button,.nb-notes button,.nb-note-actions button,.nb-collab-form button,.nb-public-row button{border:1px solid rgba(44,74,111,.22);background:var(--card,#fff);color:inherit;border-radius:7px;padding:5px 8px;cursor:pointer;font:inherit}.nb-file-select{width:16px;height:16px;accent-color:#d97757;flex:0 0 auto}.nb-file.source-unselected{opacity:.58}.nb-notes{border-top:1px solid var(--border,rgba(0,0,0,.08));margin-top:14px;padding-top:12px}.nb-notes-head{display:flex;align-items:center;justify-content:space-between}.nb-notes-head h2,.nb-share-panel h3{font-size:12px;text-transform:uppercase;letter-spacing:.06em;margin:0;opacity:.68}.nb-note-list{display:grid;gap:7px;margin-top:9px}.nb-note{border:1px solid rgba(0,0,0,.08);border-radius:9px;padding:9px;background:rgba(255,255,255,.4)}.nb-note h3{font-size:13px;margin:0 0 4px}.nb-note p{font-size:12px;margin:0;white-space:pre-wrap;max-height:120px;overflow:auto}.nb-note-meta{font-size:10px;opacity:.55;margin-top:6px}.nb-note-delete{float:right}.nb-notes form{display:grid;gap:7px;margin-top:9px}.nb-notes input,.nb-notes textarea,.nb-collab-form input,.nb-collab-form select,.nb-public-url{width:100%;box-sizing:border-box;border:1px solid rgba(0,0,0,.14);border-radius:8px;background:var(--card,#fff);color:inherit;padding:8px;font:inherit}.nb-note-actions{display:flex;justify-content:flex-end;gap:6px}.nb-share-panel{width:min(720px,94vw);max-height:88vh;overflow:auto}.nb-share-panel section{padding:14px 0;border-top:1px solid rgba(0,0,0,.08)}.nb-share-panel section:first-of-type{border-top:0}.nb-collab-form{display:grid;grid-template-columns:1fr 110px auto;gap:7px;margin:9px 0}.nb-collab-row{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:8px;padding:7px 0;font-size:12px;border-top:1px solid rgba(0,0,0,.06)}.nb-role-pill{padding:3px 7px;border-radius:999px;background:rgba(44,74,111,.08)}.nb-share-help{font-size:12px;opacity:.65}.nb-public-row{display:flex;gap:7px;align-items:center}.nb-public-url{min-width:0}.nb-analytics{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:9px}.nb-metric{padding:10px;border-radius:9px;background:rgba(44,74,111,.06);text-align:center}.nb-metric strong{display:block;font-size:20px}.nb-metric span{font-size:10px;opacity:.62}.nb-deck{display:grid;gap:14px}.nb-slide{aspect-ratio:16/9;padding:clamp(22px,5vw,50px);border-radius:12px;background:linear-gradient(140deg,#fff9ed,#eef3f6);box-shadow:0 8px 25px rgba(31,24,18,.1);display:flex;flex-direction:column;justify-content:center;position:relative}.nb-slide h4{font:500 clamp(22px,4vw,38px)/1.05 Fraunces,serif;margin:0 0 18px}.nb-slide ul{font-size:clamp(13px,2vw,19px);line-height:1.45}.nb-slide-num{position:absolute;right:18px;bottom:14px;font-size:11px;opacity:.5}.nb-source-refs{font-size:10px;color:#2c4a6f;margin-top:8px}.nb-infographic{max-width:680px;margin:auto;background:#f7f0e3;padding:28px;border-radius:14px}.nb-infographic>header{text-align:center;margin-bottom:18px}.nb-info-section{padding:18px;border-left:4px solid #d97757;background:rgba(255,255,255,.62);margin:10px 0;border-radius:0 10px 10px 0}.nb-info-stat{font:500 34px Fraunces,serif;color:#2c4a6f}.nb-data-table{width:100%;border-collapse:collapse}.nb-data-table th,.nb-data-table td{padding:8px;border:1px solid rgba(0,0,0,.1);vertical-align:top;text-align:left}.nb-data-table th{background:rgba(44,74,111,.08)}.nb-flashcards{display:grid;gap:12px}.nb-flashcard{min-height:180px;border:1px solid rgba(44,74,111,.2);border-radius:12px;background:#fff;padding:24px;cursor:pointer;text-align:left}.nb-flashcard .back{display:none;margin-top:14px;padding-top:14px;border-top:1px solid rgba(0,0,0,.08)}.nb-flashcard.revealed .back{display:block}.dark .nb-source-scope,.dark .nb-source-refs{color:#a9c4e2}.dark .nb-slide{background:linear-gradient(140deg,#292722,#202a31);color:#f4efe5}.dark .nb-infographic{background:#27231e}.dark .nb-info-section,.dark .nb-flashcard{background:#24221f;color:#f4efe5}.dark .nb-notes input,.dark .nb-notes textarea,.dark .nb-collab-form input,.dark .nb-collab-form select,.dark .nb-public-url{background:#24221f;color:#f4efe5}
@media(max-width:600px){.nb-collab-form{grid-template-columns:1fr}.nb-analytics{grid-template-columns:1fr 1fr}.nb-public-row{align-items:stretch;flex-direction:column}.nb-studio-actions{flex-wrap:wrap}.nb-slide{aspect-ratio:auto;min-height:280px}}

/* NOTEBOOK_COLLAB_MODAL_SPACING_V1: comfortable share-form rhythm on desktop and mobile. */
.nb-share-panel {
  width: min(640px, 94vw);
}
.nb-share-panel .nb-modal-head {
  padding: 22px 24px 19px;
}
.nb-share-panel .nb-eyebrow {
  margin-bottom: 6px;
}
.nb-share-panel section {
  padding: 20px 24px 22px;
}
.nb-share-panel section:first-of-type {
  padding-top: 22px;
}
.nb-share-panel h3 {
  margin: 0 0 12px;
  line-height: 1.3;
}
.nb-share-panel .nb-collab-form {
  gap: 10px;
  margin: 0 0 8px;
}
.nb-share-panel .nb-collab-form input,
.nb-share-panel .nb-collab-form select,
.nb-share-panel .nb-collab-form button,
.nb-share-panel .nb-public-row button,
.nb-share-panel .nb-public-url {
  min-height: 42px;
}
.nb-share-panel .nb-collab-form input,
.nb-share-panel .nb-collab-form select,
.nb-share-panel .nb-public-url {
  padding: 9px 11px;
}
.nb-share-panel .nb-collab-row {
  gap: 10px;
  padding: 10px 0;
}
.nb-share-panel .nb-share-help {
  margin: -2px 0 13px;
  line-height: 1.5;
}
.nb-share-panel .nb-public-row {
  gap: 10px;
}
.nb-share-panel .nb-public-row button {
  padding-inline: 12px;
  white-space: nowrap;
}
.nb-share-panel .nb-analytics {
  gap: 10px;
  margin-top: 0;
}
.nb-share-panel .nb-metric {
  padding: 13px 10px;
}

@media (max-width: 600px) {
  #nb-share-modal {
    padding: 12px;
  }
  .nb-share-panel {
    width: 100%;
    max-height: 92vh;
  }
  .nb-share-panel .nb-modal-head {
    padding: 19px 18px 16px;
  }
  .nb-share-panel section,
  .nb-share-panel section:first-of-type {
    padding: 18px;
  }
  .nb-share-panel .nb-collab-form {
    gap: 9px;
  }
  .nb-share-panel .nb-collab-form button,
  .nb-share-panel .nb-public-row button {
    width: 100%;
  }
  .nb-share-panel .nb-analytics {
    gap: 8px;
  }
}